Home / 1,259,598,768.40-1,888,012,469.40-441,289,853.20

Finding the Fourth Proportional to 1,259,598,768.40, 1,888,012,469.40 and 441,289,853.20

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Solution

The fourth proportional to 1,259,598,768.40, 1,888,012,469.40 and 441,289,853.20 is: 661,449,317.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,598,768.40 : 1,888,012,469.40 = 441,289,853.20 : x
  2. Step 2: Convert to fraction form
    1,259,598,768.40/1,888,012,469.40 = 441,289,853.20/x
  3. Step 3: Cross multiply
    1,259,598,768.40x = 1,888,012,469.40 × 441,289,853.20
  4. Step 4: Simplify right side
    1,259,598,768.40x = 833,160,745,461,295,488
  5. Step 5: Solve for x
    x = 833,160,745,461,295,488/1,259,598,768.40
  6. Step 6: Final answer
    x = 661,449,317.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.